Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Section, 1:200

Black ink and white-gray gouache on grayish-white textured wove paper

Bound book with paper-covered cardboard covers, watercolor drawing on cover

Graphite on off-white wove paper; verso: charcoal

Pastel on tan wove paper

Watercolor over graphite on off-white wove paper

Black ink and graphite on cream wove paper

Black ink and gray wash over graphite on off-white wove paper

Charcoal on cream laid paper

Black ink on buff wove paper

Colored pencil on brown wove paper

Graphite on paper

Black ink and gray wash over graphite on off-white laid paper